Thread: Replace Stock LS6 Valves?
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Old 07-07-2010, 06:51 PM   #2
crainholio
 
Join Date: Nov 2004
Location: Randolph
Posts: 198
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I haven't found 243 heads w/ LS6 hollow valves on any engines other than Vette LS6 models yet, are you sure your Avalanche valves are the hollow ones?
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1982 Z28 w/ '01 LS1 + T56, TR224 cam, Katech oil pump, JWIS chain
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